NZ185220A - Reflected light smoke detector pulse rate increases on detection - Google Patents
Reflected light smoke detector pulse rate increases on detectionInfo
- Publication number
- NZ185220A NZ185220A NZ185220A NZ18522077A NZ185220A NZ 185220 A NZ185220 A NZ 185220A NZ 185220 A NZ185220 A NZ 185220A NZ 18522077 A NZ18522077 A NZ 18522077A NZ 185220 A NZ185220 A NZ 185220A
- Authority
- NZ
- New Zealand
- Prior art keywords
- detection
- reflected light
- pulse rate
- smoke detector
- rate increases
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/742,194 US4075499A (en) | 1976-11-16 | 1976-11-16 | Smoke detector with means for changing light pulse frequency |
US05/742,225 US4068130A (en) | 1976-11-16 | 1976-11-16 | Smoke detector with means for changing light pulse frequency |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ185220A true NZ185220A (en) | 1981-10-19 |
Family
ID=27113981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NZ185220A NZ185220A (en) | 1976-11-16 | 1977-09-21 | Reflected light smoke detector pulse rate increases on detection |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5387282A (en) |
AR (1) | AR215485A1 (en) |
AU (1) | AU512053B2 (en) |
BR (1) | BR7707636A (en) |
CA (1) | CA1085019A (en) |
CH (1) | CH620038A5 (en) |
DE (1) | DE2751073C2 (en) |
FR (1) | FR2370974A1 (en) |
GB (1) | GB1555182A (en) |
IE (1) | IE46081B1 (en) |
IL (1) | IL52977A (en) |
IN (1) | IN147535B (en) |
NZ (1) | NZ185220A (en) |
SE (1) | SE421841B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2939139A1 (en) * | 1979-09-27 | 1981-04-09 | Agfa-Gevaert Ag, 5090 Leverkusen | DISTANCE MEASURING DEVICE |
JPS56100343A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
JPS6225802U (en) * | 1985-07-31 | 1987-02-17 | ||
DE3840277C2 (en) * | 1988-11-30 | 1997-04-17 | Diehl Gmbh & Co | Device for locating vehicles in the battlefield |
DE102014110460B3 (en) * | 2014-07-24 | 2015-05-13 | Eq-3 Entwicklung Gmbh | Optical smoke detector and method for optical smoke detection |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946241A (en) * | 1973-11-26 | 1976-03-23 | Pyrotector, Incorporated | Light detector with pulsed light source and synchronous data gating |
US3917956A (en) * | 1974-03-08 | 1975-11-04 | Pyrotector Inc | Smoke detector |
-
1977
- 1977-09-21 IL IL52977A patent/IL52977A/en unknown
- 1977-09-21 NZ NZ185220A patent/NZ185220A/en unknown
- 1977-10-04 IN IN291/DEL/77A patent/IN147535B/en unknown
- 1977-10-31 AR AR269786A patent/AR215485A1/en active
- 1977-11-07 CA CA290,290A patent/CA1085019A/en not_active Expired
- 1977-11-08 JP JP13403377A patent/JPS5387282A/en active Granted
- 1977-11-08 CH CH1362577A patent/CH620038A5/en not_active IP Right Cessation
- 1977-11-11 IE IE2298/77A patent/IE46081B1/en unknown
- 1977-11-14 SE SE7712831A patent/SE421841B/en unknown
- 1977-11-15 DE DE2751073A patent/DE2751073C2/en not_active Expired
- 1977-11-15 AU AU30668/77A patent/AU512053B2/en not_active Expired
- 1977-11-16 GB GB47701/77A patent/GB1555182A/en not_active Expired
- 1977-11-16 FR FR7734469A patent/FR2370974A1/en active Granted
- 1977-11-16 BR BR7707636A patent/BR7707636A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2370974A1 (en) | 1978-06-09 |
JPS5387282A (en) | 1978-08-01 |
BR7707636A (en) | 1978-08-01 |
IE46081B1 (en) | 1983-02-09 |
IL52977A0 (en) | 1977-11-30 |
GB1555182A (en) | 1979-11-07 |
CA1085019A (en) | 1980-09-02 |
AU3066877A (en) | 1979-05-24 |
FR2370974B1 (en) | 1983-12-23 |
JPS5724501B2 (en) | 1982-05-25 |
IL52977A (en) | 1979-09-30 |
AR215485A1 (en) | 1979-10-15 |
CH620038A5 (en) | 1980-10-31 |
AU512053B2 (en) | 1980-09-18 |
IN147535B (en) | 1980-03-29 |
SE421841B (en) | 1982-02-01 |
DE2751073C2 (en) | 1982-06-03 |
DE2751073A1 (en) | 1978-05-24 |
IE46081L (en) | 1978-05-16 |
SE7712831L (en) | 1978-05-17 |
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